Alright, let's work through 42265385 times 65129888 step by step
42265385 × 65129888 = 65129888 × (42265385)
+ 65129888 × 5 yielding 325649440
+ 65129888 × 80 what gives us 5210391040
+ 65129888 × 300 that results in 19538966400
+ 65129888 × 5000 that is equal 325649440000
+ 65129888 × 60000 yielding 3907793280000
+ 65129888 × 200000 what gives us 13025977600000
+ 65129888 × 2000000 producing 130259776000000
+ 65129888 × 40000000 what gives us 2605195520000000

= 2752739791326880
